Podosphaera aucupariae Eriksson, 1886
on Sorbus
gall
mycelium amphigenous, thin, white to greyish white. Appressoria poorly developed to nipple-shaped, solitary. Conidia oval, formed in chains, with fibrosin bodies. Cleistothecia with a single ascus, containing 6-8 spores. Appendages 6-12, equatorial or somewhat above, 1-3 x the diameter; they are stiffly bent, brown, 2-3 septate; at the very tip they are several times dichotomously branching in quick succession.
host plants
Rosaceae, monophagous
Sorbus aria, aucuparia, intermedia,latifolia, pinnatifida, quercifolia.
synonyms
P. clandestina var. aucupariae (Eriksson) Braun, 1984.
references
Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska, Madej, Adamska ao (2000a), Doppelbaur & Doppelbaur (1973a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Kruse & Jage (2014a), Leysen (2017a), Mieslerová, Sedlářová, Michutová, ao (2020b), Ruszkiewicz-Michalska (2006a), Scholler, Reinhard & Schubert (1996a).